package com.sky.controller.admin;

import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.dto.EmployeePageQueryDTO;
import com.sky.entity.Dish;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import java.util.ArrayList;
import java.util.List;
import java.util.Set;

@RestController
@Slf4j
@Api(tags="菜品相关接口")
@RequestMapping("/admin/dish")
public class DishController {

    @Autowired
    private DishService dishService;
    @Autowired
    private RedisTemplate redisTemplate;


    @PostMapping()
    public Result save(@RequestBody DishDTO dishDTO){
        log.info("新增菜品:{}",dishDTO);


        dishService.saveWithFlavor(dishDTO);

        //清理缓存数据 只清理当前categroy里面的list
        String key = "dish_" + dishDTO.getCategoryId();
        cleanCache(key);

        return Result.success();
    }

    @GetMapping("/page")
    @ApiOperation("分页查询")
    public Result<PageResult>  page(DishPageQueryDTO dishPageQueryDTO){
        log.info("菜品分页查询，参数为{}",dishPageQueryDTO);
        PageResult pageResult = dishService.pageQuery(dishPageQueryDTO);


        return Result.success(pageResult);
    }


    @DeleteMapping
    @ApiOperation("删除菜品")
    public Result delete(@RequestParam  List<Long> ids){

        log.info("菜品批量删除：{}",ids);

        dishService.deleteBatch(ids);

        //清理redis 将所有的菜品缓存的清理掉 以dish_开头的清理掉
        cleanCache("*dish_*");

        return Result.success();
    }

    @GetMapping("/{id}")
    @ApiOperation("根据id查询菜品用于回显")
    public Result<DishVO> getById(@PathVariable Long id){
        log.info("查询菜品的id：{}",id);

        DishVO dishVO = dishService.getByIdWithFlavor(id);


        return Result.success(dishVO);
    }



    @PutMapping
    @ApiOperation("修改菜品")
    public Result update(@RequestBody DishDTO dishDTO){

        log.info("修改菜品：{}",dishDTO);
        dishService.updateWithFlavor(dishDTO);

        //修改的时候可以修改分类
        //清理redis 将所有的菜品缓存的清理掉 以dish_开头的清理掉
        cleanCache("*dish_*");

        return Result.success();

    }


    @PostMapping("/status/{status}")
    public Result startOrStop(@PathVariable Integer status,long id){

        log.info("改变菜品销售状态:{}",status);
        dishService.startOrStop(status,id);
        cleanCache("*dish_*");

        return Result.success();

    }


    @GetMapping("/list")
    @ApiOperation("根据分类ID查询菜品")
    public Result<List<Dish>> getDishByClassId(Long categoryId){



        List<Dish> dishes = new ArrayList<>();

        dishes = dishService.getDishByGategoryId(categoryId);

        return Result.success(dishes);
    }



    private void cleanCache(String pattern){
        Set keys = redisTemplate.keys(pattern);
        redisTemplate.delete(keys);
    }
}
